Take into account, look how long it took for the pilot R211A to start it's revenue service from it's delivery dates in 2021. Almost 2 years. As stated before these cars come with new technological, operational and mechanical component features. Shop employees, transit crews have to learn the equipment and have a better understanding of the trains features and track movements going forward. It's all a matter of right timing and maintaining a close and consistent working relationship with Kawasaki railcar.